24-25 G7 Unit 3 Test Review - Ratios and Proportions

If two quantities are proportional, which must be true of a graph showing the relationship between them? Select all that apply.

• A. The points of the graph form a straight line.

• B. The points of the graph must include the origin.

• C. The graph increases from left to right.

• E. The points must all form equivalent ratios.

• D. The graph is a curve.

Tags

CCSS.7.RP.A.2D

The graph shows the amount of protein contained in a certain brand of peanut butter. Click on the statements that are TRUE about the graph.

• A. Point (14,70) means there are 70 grams of protein in 14 tablespoons of peanut butter.

• B. The line passes through the origin, therefore it models a proportion.

• C. There is a point at (2,10) which is the origin.

• D. The unit rate for the amount of protein grams per tablespoon of peanut butter is 5 grams of protein per tablespoon of peanut butter.

• E. Point (14,70) means there are 14 grams of protein in 70 tablespoons of peanut butter.

Tags

CCSS.7.RP.A.2D

A grocery store sells cashews. The relationship between the mass and cost of cashews is shown in the following graph. Which statements about the graph are true?

• A) The point (0, 0) shows that the cost is $0 for 0 kg of cashews.

• B) The point (2, 60) shows that the cost is $2 for 60 kg of cashews.

• C) The point (2, 60) shows that the cost is $60 for 2 kg of cashews.

• D) The constant of proportionality in this graph is 30.

• E) The constant of proportionality in this graph is 1/30.

Tags

CCSS.7.RP.A.2D

Identify the constant of proportionality in the equation y = - 4x.

• 1

• 4

• x

• y

• • - 4

Tags

CCSS.7.RP.A.2B

Bananas cost $0.20 per pound. What equation is used to find C, the total cost of p pounds of bananas?

• C = 0.20p

• C = p + 0.20

• 0.20C = p

• 0.20 + C = p

Tags

CCSS.6.EE.C.9

• 0.4

• 2.5

• 0.04

• 0.06

Tags

CCSS.7.RP.A.2B

Write an equation that represents the relationship between total cost, c, and number of hours, h.

• c = 75h

• h = 0.75c

• c = 45h

• h = 0.45c

Tags

CCSS.6.EE.C.9

Is the relationship in the table proportional or not proportional?

• Proportional

• Not Proportional

Tags

CCSS.7.RP.A.2A

Which graph DOES NOT represent a proportional relationship?

• A

• B

• C

• D

Tags

CCSS.7.RP.A.2D

Is the equation y = 6x + 9 proportional?

• Yes

• No

Tags

CCSS.7.RP.A.2D